Re: [PATCH 01/10] cpumask: Introduce cpumask_any_online_but

From: Thomas Gleixner
Date: Tue Jun 16 2015 - 04:20:43 EST


On Mon, 15 Jun 2015, Vikas Shivappa wrote:
> On Mon, 15 Jun 2015, Peter Zijlstra wrote:
> > On Fri, Jun 12, 2015 at 11:17:08AM -0700, Vikas Shivappa wrote:
> > > + cpumask_and(&tmp, cpu_online_mask, mask);
> > > + cpumask_clear_cpu(cpu, &tmp);
> > > + return cpumask_any(&tmp);
> > > +}
> >
> > You had a good example in cpumask_any_but() copy that.
>
> I saw the cpumask_any_but but wanted to avoid the for loop in the
> cpumask_any_but , but now i see why from your previous comment. Without the
> cpumask_t I will have to use the cpumask_any_but .. the two were related.

It can be done w/o a loop. Hint, you need a static cpumask in your
code anyway.

Thanks

tglx
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